Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 26, Pages 10154-10160Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta01780c
Keywords
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Funding
- National Key Project on Basic Research [2011CB808700, 2012CB215500]
- National Natural Science Foundation of China [91127044, 21173237, 21121063]
- Chinese Academy of Sciences
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A new N-doped carbon nanomaterial with nanoporous coaxial nanocable structure was designed for achieving the requirements of high nitrogen content, proper nitrogen bonding state, and sufficient electron and mass transportation for an oxygen reduction reaction (ORR) catalyst. The nanoporous sheaths provided more catalytic sites and allowed oxygen and reactants to easily access them for fast mass transfer, whereas carbon nanotube cores provided a three-dimensional conductive network and guaranteed fast electron transfer. As a result, the designed low-cost catalyst exhibited excellent electrocatalytic performance and is one of the most active metal-free ORR catalyst.
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